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Commit 1e9d47a9 authored by Jon Paul Maloy's avatar Jon Paul Maloy Committed by David S. Miller
Browse files

tipc: more cleanup of tunnelling reception function 



We simplify and slim down the code in function tipc_tunnel_rcv()
No impact on the users of this function.

Signed-off-by: default avatarJon Maloy <jon.maloy@ericsson.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3bb53380

net/tipc/link.c

+7 −14
Original line number Diff line number Diff line
@@ -2180,9 +2180,10 @@ static int tipc_link_tunnel_rcv(struct tipc_node *n_ptr, 
	struct sk_buff *tunnel_buf = *buf;

	struct tipc_link *dest_link;

	struct tipc_msg *tunnel_msg = buf_msg(tunnel_buf);

	u32 msg_typ = msg_type(tunnel_msg);

	u32 bearer_id = msg_bearer_id(tunnel_msg);



	*buf = NULL;



	if (bearer_id >= MAX_BEARERS)

		goto exit;
@@ -2190,24 +2191,16 @@ static int tipc_link_tunnel_rcv(struct tipc_node *n_ptr, 
	if (!dest_link)

		goto exit;



	if (msg_typ == DUPLICATE_MSG) {

	if (msg_type(tunnel_msg) == DUPLICATE_MSG)

		tipc_link_dup_rcv(dest_link, tunnel_buf);

		goto exit;

	}



	if (msg_type(tunnel_msg) == ORIGINAL_MSG) {

	else if (msg_type(tunnel_msg) == ORIGINAL_MSG)

		*buf = tipc_link_failover_rcv(dest_link, tunnel_buf);

	else

		pr_warn("%sunknown tunnel pkt received\n", link_co_err);



		/* Do we have a buffer/buffer chain to return? */

		if (*buf != NULL) {

			kfree_skb(tunnel_buf);

			return 1;

		}

	}

exit:

	*buf = NULL;

	kfree_skb(tunnel_buf);

	return 0;

	return *buf != NULL;

}



/*